Designed for infants and toddlers, these sachets of probiotics keep the gut healthy, boosting natural defences. They can also help colic, can be added to formula, and are safe to take when breastfeeding.

At this time of year, sunlight is in short supply, leaving us low on Vitamin D. This new drink – only 7 calories and no added sugar – delivers immunity-boosting Vitamin D, which can also help naturally lift your mood.

Germs lurk everywhere: public transport, school, nursery, cafes, offices… block them out by sucking on one of these chocolate-flavour lozenges when you’re out and about. They melt to create a barrier against nasties.